932  
AXPZ20 KNHC 141418  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1605 UTC MON APR 14 2025  
 
TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM  
03.4S TO 30N, EAST OF 120W INCLUDING THE GULF OF CALIFORNIA, AND  
FROM THE EQUATOR TO 30N, BETWEEN 120W AND 140W. THE FOLLOWING  
INFORMATION IS BASED ON SATELLITE IMAGERY, WEATHER OBSERVATIONS,  
RADAR, AND METEOROLOGICAL ANALYSIS.  
 
BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
1415 UTC.  
   
..SPECIAL FEATURE  
 
GULF OF TEHUANTEPEC GALE WARNING: FRESH TO STRONG NORTHERLY  
WINDS ARE WITHIN 60 NM OF THE COAST OF TEHUANTEPEC, WITH SEAS  
IN THE 6-8 FT IN MIXED NE AND S SWELL. HIGH PRESSURE WILL BUILD  
ACROSS THE WESTERN GULF OF AMERICA LATE TUE THROUGH WED, AND WILL  
INDUCE ANOTHER ROUND OF FRESH TO STRONG GAP WINDS ACROSS  
TEHUANTEPEC. WINDS ARE EXPECTED TO REACH GALE-FORCE TUE NIGHT  
THROUGH WED MORNING, WITH SEAS BUILDING TO 12 FT BY WED MORNING.  
FRESH TO STRONG WINDS WILL THEN CONTINUE ACROSS THE AREA THROUGH  
EARLY THU.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
A SURFACE TROUGH EXTENDS FROM 08N78W TO 06N85W. THE ITCZ  
CONTINUES FROM 06N85W TO 06N113W TO BEYOND 02N140W. SCATTERED  
MODERATE ISOLATED STRONG CONVECTION IS NOTED FROM 02N TO 11N  
BETWEEN 104W AND 118W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
SEE THE SPECIAL FEATURES SECTION FOR AN UPCOMING GALE-FORCE GAP  
WIND EVENT ACROSS THE GULF OF TEHUANTEPEC TUE NIGHT INTO WED  
MORNING.  
 
ELSEWHERE ACROSS THE MEXICAN OFFSHORE WATERS, HIGH PRESSURE  
REMAINS WELL NW OF THE AREA, WITH THE ASSOCIATED RIDGE EXTENDING  
SOUTHEASTWARD TO OFFSHORE OF BAJA SUR. THIS PATTERN IS PRODUCING  
MAINLY LIGHT TO GENTLE NW TO W WINDS, EXCEPT MODERATE NW WINDS  
NEAR THE COAST OF CABO SAN LUCAS. SEAS ARE IN THE 5-7 FT RANGE IN  
NW SWELL OFF BAJA CALIFORNIA EXCEPT 7 TO 8 FT OFFSHORE OF BAJA  
NORTE. ELSEWHERE OVER THE OPEN WATERS BETWEEN PUERTO ANGEL AND  
THE REVILLAGIGEDO ISLANDS, SEAS OF 5-6 FT IN S SWELL PREVAIL. IN  
THE GULF OF CALIFORNIA, S TO SW WINDS AT LESS THAN 15 KT PREVAIL,  
WITH SEAS OF 3 FT OR LESS, EXCEPT 4 TO 5 FT IN S SWELL ACROSS  
THE ENTRANCE.  
 
FOR THE FORECAST, FRESH TO STRONG NORTHERLY GAP WINDS ACROSS THE  
GULF OF TEHUANTEPEC WILL DIMINISH BY EARLY AFTERNOON. NORTHERLY  
GAP WINDS WILL RETURN TONIGHT THROUGH THU NIGHT ACROSS THE  
TEHUANTEPEC REGION, PULSING TO STRONG AT NIGHT. WINDS WILL  
BRIEFLY REACH GALE-FORCE TUE NIGHT INTO WED MORNING. ELSEWHERE,  
NW SWELL ACROSS THE BAJA CALIFORNIA WATERS TODAY WILL SUBSIDE  
THIS EVENING THROUGH THU. WINDS ACROSS THE AREA WATERS WILL  
REMAIN MODERATE OR LESS THROUGH THE WEEK, EXCEPT MODERATE TO  
LOCALLY FRESH ACROSS THE BAJA SUR WATERS TUE EVENING THROUGH FRI.  
IN THE GULF OF CALIFORNIA, EXPECT MODERATE OR WEAKER WINDS,  
EXCEPT ACROSS NORTHERN PORTIONS WHERE FRESH TO LOCALLY STRONG SW  
TO W WINDS ARE EXPECTED EACH NIGHT. WINDS OVER THE NORTHERN GULF  
OF CALIFORNIA MAY BECOME STRONG TO NEAR GALE- FORCE WED NIGHT.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
FRESH TO STRONG NE TO E GAP WINDS, AND SEAS OF 6 TO 8 FT,  
PREVAIL ACROSS THE PAPAGAYO REGION EAST OF 88W, WITH FRESH NE TO  
E WINDS EXTENDING DOWNSTREAM FROM 89W TO BEYOND 92W. MODERATE TO  
FRESH N WINDS ARE ACROSS MUCH OF THE GULF OF PANAMA N OF 04N.  
WINDS ARE LIGHT TO GENTLE ELSEWHERE, WITH SEAS OF 5 TO 7 FT IN  
MODERATE S TO SW SWELL.  
 
FOR THE FORECAST, HIGH PRESSURE N OF THE REGION WILL SUPPORT  
FRESH NE TO E GAP WINDS PULSING TO STRONG AT NIGHT ACROSS THE  
PAPAGAYO REGION THROUGH THE WEEK, WITH LOCALLY ROUGH SEAS.  
MODERATE TO FRESH NORTHERLY WINDS WILL PREVAIL ACROSS THE GULF OF  
PANAMA. MODERATE S SWELL IMPACTING THE REGIONAL WATERS WILL  
SUBSIDE TODAY, WITH A DECREASING TREND IN SEA HEIGHTS OUTSIDE OF  
PAPAGAYO AND THE GULF OF PANAMA THROUGH THU.  
   
..REMAINDER OF THE AREA.  
 
A BROAD SURFACE RIDGE COVERS THE SUBTROPICAL PACIFIC WATERS N OF  
20N AND W OF 120W. THE PRESSURE GRADIENT BETWEEN THIS AREA OF  
HIGH PRESSURE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS  
SUPPORTING MODERATE TO FRESH NE WINDS OVER THE WATERS N OF THE  
ITCZ AND W OF 130W. SEAS OVER THESE WATERS NORTH OF 19N ARE IN  
THE 7 TO 9 FT RANGE IN MERGING NW AND S SWELL, AND 5 TO 8 FT  
SOUTH OF 19N. ELSEWHERE W OF 100W, MODERATE TO LOCALLY FRESH  
TRADE WINDS PREVAIL N OF THE ITCZ TO 14N, WHERE SEAS ARE 6 TO 9  
FT, HIGHEST EAST OF 110W WHERE S SWELL IS MIXING WITH NE SWELL  
PROPAGATING AWAY FROM TEHUANTEPEC. ACROSS THE REMAINING WATERS,  
WINDS ARE MODERATE OR WEAKER WITH SEAS OF 5-7 FT.  
 
FOR THE FORECAST, N TO NE SWELL GENERATED FROM AN EARLIER GULF  
OF TEHUANTEPEC GALE FORCE GAP WIND EVENT MIXING WITH S SWELL WILL  
GRADUALLY SUBSIDE TO AROUND 8 FT TONIGHT. HIGH PRESSURE WILL  
PERSIST N OF THE AREA THROUGH MID WEEK, MAINTAINING FRESH TO  
LOCALLY STRONG NE WINDS W OF 130W THROUGH WED. LARGE NW TO N  
SWELL OVER THE NW SUBTROPICAL WATERS WILL SUBSIDE THIS EVENING  
THROUGH WED.  
 
 
AL  
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